Ben\'s 30% DEET European Strength Insect Repellent Spray is a water-based 30% concentration DEET insect repellent, providing up to 8 hours protection against mosquitoes, midges, ticks and all types of biting insects. Ben\'s 30% DEET European Strength Insect Repellent Spray is perfect for protecting children as well as adults, leaving more insect repellent on the skin so that it fights against biting insects longer. The water-based formula isn\'t as strong smelling and with the addition of fragrant Lemongrass oil, is much more pleasant to use. Its 30% concentration of DEET repels insects and pr s up to 8 hours protection against mosquitoes, midges, ticks and all types of biting insects.